| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | signbit | 3 | 409 |
| posix | signbit | 3p | 345 |
| sunos | signbit | 3m | 328 |
| debian | signbit | 3 | 326 |
| opensolaris | signbit | 3m | 321 |
| suse | signbit | 3 | 321 |
| hpux | signbit | 3m | 321 |
| centos | signbit | 3 | 319 |
| freebsd | signbit | 3 | 319 |
| v7 | signbit | 3 | 316 |
| opendarwin | signbit | 3 | 279 |
| plan9 | signbit | 3 | 278 |
| suse | signbit | 3p | 277 |
| centos | signbit | 3p | 273 |
| xfree86 | signbit | 3 | 271 |
| mojave | signbit | 3 | 258 |
| osx | signbit | 3 | 244 |
| netbsd | signbit | 3 | 243 |
| redhat | signbit | 3 | 237 |